The applicable load distribution method offers optimal distribution.
• Round robin : Consecutively deliver distribution requests to designated servers
• Least connection : Assign to a server with least number of connection
• Hash : Hash source IP data of a client to assign to an identified server
A web-based console helps create Load Balancer and set/mange server ports conveniently. L4 Load Balancer service provides multiple port setting (80, 443, 8080-8090, etc.) and multiple rules can simultaneously be applied.
The service offers access control by linking with Security Group. L7 HTTPS service requires an SSL certificates and TLS certificates issued by an official certificate authority (CA) has to be registered in the Load Balancer.
Creating server groups within the created Load Balancer enables reusing the existing setting to determine rules without repetitive inputs. Replacing all settings is also possible for the Load Balancer service to which a member change using a server group is applied.
- Create a Load Balancer instance in the project with VPC
- Create LB service within the LB instance and register a service that receives traffic and a server that will take distributed load
- Multiple servers may be registered, either from the server group within the same LB instance or Auto-scaling group defined in VPC
- LB services created within the same LB instance can share server groups
- Select the created resources to add a server group member
- Apply load balancing weight to the server group member
- Use a Security Group if an external network needs to access LB service
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